From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthew Hall <mhall@mhcomputing.net>
Subject: Re: LPM6 next hop size
Date: Wed, 21 Sep 2016 18:50:34 -0700
Message-ID: <20160922015034.GA10277@mhcomputing.net>
References: <d28c22febc564e45a4c2f5b4066223bc@Hq1wp-exmb11.corp.brocade.com>
 <c57b485f-ff12-7b7c-9ad8-8e9131647069@gandi.net>
 <20160919212257.GA27713@mhcomputing.net> <3263960.cPWMKkvuZx@xps13>
 <20160921172905.GA7158@mhcomputing.net>
 <20160921164205.000645d8@xeon-e3>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: Thomas Monjalon <thomas.monjalon@6wind.com>, dev@dpdk.org,
 Nikita Kozlov <nikita@gandi.net>
To: Stephen Hemminger <stephen@networkplumber.org>
Return-path: <dev-bounces@dpdk.org>
Received: from mail.mhcomputing.net (master.mhcomputing.net [74.208.228.170])
 by dpdk.org (Postfix) with ESMTP id 0E328FFA
 for <dev@dpdk.org>; Thu, 22 Sep 2016 03:50:35 +0200 (CEST)
Content-Disposition: inline
In-Reply-To: <20160921164205.000645d8@xeon-e3>
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On Wed, Sep 21, 2016 at 04:42:05PM -0700, Stephen Hemminger wrote:
> This was intentional because rte_malloc comes out of huge page area and that
> resource is a critical resource. It could use rte_malloc() but that makes it
> more likely to break when doing Policy Based routing or VRF.

Can we get more clarity on why PBR or VRF would break it? The performance and 
fragmentation of the default glibc allocator are quite bad. So I am trying to 
avoid it in my app for example.

Matthew.